<!DOCTYPE HTML>
<html>
<head>
  <title>Test for addSheet</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body onload="run()">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1024707">Mozilla Bug 1024707</a>

<iframe id="iframe1" src="additional_sheets_helper.html"></iframe>
<iframe id="iframe2" src="additional_sheets_helper.html"></iframe>

<pre id="test">
<script type="application/javascript; version=1.8">

let gIOService = SpecialPowers.Cc["@mozilla.org/network/io-service;1"]
  .getService(SpecialPowers.Ci.nsIIOService);

let gSSService = SpecialPowers.Cc["@mozilla.org/content/style-sheet-service;1"]
  .getService(SpecialPowers.Ci.nsIStyleSheetService);

function test(win, sheet) {
    let cs = win.getComputedStyle(win.document.body, null);
    is(cs.getPropertyValue('color'), "rgb(0, 0, 0)", "should have default color");
    var windowUtils = SpecialPowers.wrap(win)
      .QueryInterface(SpecialPowers.Ci.nsIInterfaceRequestor)
      .getInterface(SpecialPowers.Ci.nsIDOMWindowUtils);
    windowUtils.addSheet(sheet, SpecialPowers.Ci.nsIDOMWindowUtils.USER_SHEET);
    is(cs.getPropertyValue('color'), "rgb(255, 0, 0)", "should have changed color to red");
}

function run() {
    var uri = gIOService.newURI("data:text/css,body{color:red;}", null, null);
    let sheet = gSSService.preloadSheet(uri, SpecialPowers.Ci.nsIStyleSheetService.USER_SHEET);

    test(document.getElementById("iframe1").contentWindow, sheet);
    test(document.getElementById("iframe2").contentWindow, sheet);

    SimpleTest.finish();
}

SimpleTest.waitForExplicitFinish();
</script>
</body>
</html>
